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42583805 = 5111037517
BaseRepresentation
bin1010001001110…
…0011011111101
32222010110222222
42202130123331
541400140210
64120415125
71024646015
oct242343375
988113888
1042583805
1122045930
12123174a5
138a8c924
145926c45
153b12655
hex289c6fd

42583805 has 16 divisors (see below), whose sum is σ = 56294784. Its totient is φ = 30665280.

The previous prime is 42583771. The next prime is 42583813. The reversal of 42583805 is 50838524.

It is not a de Polignac number, because 42583805 - 28 = 42583549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907 + ... + 9423.

It is an arithmetic number, because the mean of its divisors is an integer number (3518424).

Almost surely, 242583805 is an apocalyptic number.

It is an amenable number.

42583805 is a deficient number, since it is larger than the sum of its proper divisors (13710979).

42583805 is a wasteful number, since it uses less digits than its factorization.

42583805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 42583805 is about 6525.6267898187. The cubic root of 42583805 is about 349.2058320080.

The spelling of 42583805 in words is "forty-two million, five hundred eighty-three thousand, eight hundred five".

Divisors: 1 5 11 55 103 515 1133 5665 7517 37585 82687 413435 774251 3871255 8516761 42583805